dlm: cannot start dlm lowcomms -107 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 IPVS: ftp: loaded support on port[0] = 21 ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 20154 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffff88822165f998 EFLAGS: 00010293 RAX: ffff88808b5065c0 RBX: 0007770000000000 RCX: ffffffff812b5e78 RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 RBP: 0007770080000000 R08: 0000000000000000 R09: 0007770080000000 R10: 0000000000000006 R11: 0000000000000000 R12: 0007ee8000000000 R13: ffff88822165f9f0 R14: 0000000000000000 R15: 0000000000000286 FS: 00007f207dc648c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32926000 CR3: 000000023435d000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:665 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 user_path_at_empty+0x2a/0x50 fs/namei.c:2609 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x113/0x210 fs/stat.c:185 vfs_fstatat include/linux/fs.h:3143 [inline] __do_sys_newfstatat fs/stat.c:364 [inline] __se_sys_newfstatat+0x9e/0x120 fs/stat.c:358 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f207cad644b Code: 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 d0 77 38 48 63 fe 4d 63 d0 48 89 c6 48 89 ca b8 06 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 f3 c3 0f 1f 00 48 8b 15 19 da 2b 00 f7 d8 RSP: 002b:00007ffe14e56278 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 00007ffe14e56370 RCX: 00007f207cad644b RDX: 00007ffe14e562b0 RSI: 00007f207d6320b7 RDI: 0000000000000010 RBP: 00007f207d6320b7 R08: 0000000000000000 R09: 0000000000000020 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe14e56370 R13: 00007ffe14e562b0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: init_special_inode: bogus i_mode (0) for inode loop3:1 MINIX-fs: mounting unchecked file system, running fsck is recommended dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 ---[ end trace ae1b84497a321b63 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc dlm: no local IP address has been set RSP: 0018:ffff88822165f998 EFLAGS: 00010293 dlm: cannot start dlm lowcomms -107 RAX: ffff88808b5065c0 RBX: 0007770000000000 RCX: ffffffff812b5e78 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled init_special_inode: bogus i_mode (0) for inode loop3:1 kasan: GPF could be caused by NULL-ptr deref or user memory access MINIX-fs: mounting unchecked file system, running fsck is recommended kasan: GPF could be caused by NULL-ptr deref or user memory access RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 dlm: no local IP address has been set IPVS: ftp: loaded support on port[0] = 21 general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 32754 Comm: syz-executor.4 Tainted: G D 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ext4_htree_store_dirent+0x3b0/0x650 fs/ext4/dir.c:477 Code: c1 e8 03 42 80 3c 30 00 0f 85 0c 02 00 00 49 8b 04 24 48 85 c0 74 65 48 89 c3 e8 5b 61 89 ff 48 8d 7b f8 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 db 01 00 00 4c 8b 63 f8 4c 89 ff 4c 89 e6 e8 RSP: 0018:ffff888036767970 EFLAGS: 00010207 RAX: 0bec76fbd449cc4d RBX: 5f63b7dea24e6276 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffffffff81d92415 RDI: 5f63b7dea24e626e RBP: ffff88800011c000 R08: 0000000000000001 R09: ffffed1000023805 R10: ffff88800011c02e R11: 000000004f19b91f R12: ffff88800011c000 R13: ffff888036767a58 R14: dffffc0000000000 R15: 5f63b7dea24e6276 FS: 0000555556294400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000b46a9000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: htree_dirblock_to_tree+0x29b/0x5e0 fs/ext4/namei.c:1037 ext4_htree_fill_tree+0x239/0xb60 fs/ext4/namei.c:1114 ext4_dx_readdir fs/ext4/dir.c:582 [inline] ext4_readdir+0x14c3/0x2dc0 fs/ext4/dir.c:125 iterate_dir+0x473/0x5c0 fs/readdir.c:51 ksys_getdents64+0x175/0x2b0 fs/readdir.c:357 __do_sys_getdents64 fs/readdir.c:376 [inline] __se_sys_getdents64 fs/readdir.c:373 [inline] __x64_sys_getdents64+0x6f/0xb0 fs/readdir.c:373 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f99b1863cc7 Code: 00 00 0f 05 eb b9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 81 fa ff ff ff 7f b8 ff ff ff 7f 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 48 RSP: 002b:00007ffd50ac8bb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556295810 RCX: 00007f99b1863cc7 RDX: 0000000000008000 RSI: 0000555556295840 RDI: 0000000000000003 RBP: 0000555556295840 R08: 0000000000000030 R09: 00007f99b1925640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 0000555556295814 R14: 0000000000000016 R15: 00007ffd50ac9db0 Modules linked in: general protection fault: 0000 [#3] PREEMPT SMP KASAN CPU: 0 PID: 32750 Comm: syz-executor.5 Tainted: G D 4.19.211-syzkaller #0 dlm: cannot start dlm lowcomms -107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ext4_htree_store_dirent+0x3b0/0x650 fs/ext4/dir.c:477 Code: c1 e8 03 42 80 3c 30 00 0f 85 0c 02 00 00 49 8b 04 24 48 85 c0 74 65 48 89 c3 e8 5b 61 89 ff 48 8d 7b f8 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 db 01 00 00 4c 8b 63 f8 4c 89 ff 4c 89 e6 e8 RSP: 0018:ffff888028c4f970 EFLAGS: 00010207 RAX: 0bec76fbd449cc4d RBX: 5f63b7dea24e6276 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffffffff81d92415 RDI: 5f63b7dea24e626e RBP: ffff88800011c000 R08: 0000000000000001 R09: ffffed1000023805 R10: ffff88800011c02e R11: 000000004f19b91f R12: ffff88800011c000 R13: ffff888028c4fa58 R14: dffffc0000000000 R15: 5f63b7dea24e6276 FS: 0000555555659400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f275805f718 CR3: 00000000308af000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: htree_dirblock_to_tree+0x29b/0x5e0 fs/ext4/namei.c:1037 ext4_htree_fill_tree+0x239/0xb60 fs/ext4/namei.c:1114 ext4_dx_readdir fs/ext4/dir.c:582 [inline] ext4_readdir+0x14c3/0x2dc0 fs/ext4/dir.c:125 iterate_dir+0x473/0x5c0 fs/readdir.c:51 ksys_getdents64+0x175/0x2b0 fs/readdir.c:357 __do_sys_getdents64 fs/readdir.c:376 [inline] __se_sys_getdents64 fs/readdir.c:373 [inline] __x64_sys_getdents64+0x6f/0xb0 fs/readdir.c:373 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9523a82cc7 Code: 00 00 0f 05 eb b9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 81 fa ff ff ff 7f b8 ff ff ff 7f 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 48 RSP: 002b:00007ffe27ad5008 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 000055555565a810 RCX: 00007f9523a82cc7 RDX: 0000000000008000 RSI: 000055555565a840 RDI: 0000000000000003 RBP: 000055555565a840 R08: 0000000000000030 R09: 00007f9523b44640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 000055555565a814 R14: 0000000000000016 R15: 00007ffe27ad6200 Modules linked in: RBP: 0007770080000000 R08: 0000000000000000 R09: 0007770080000000 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 R10: 0000000000000006 R11: 0000000000000000 R12: 0007ee8000000000 R13: ffff88822165f9f0 R14: 0000000000000000 R15: 0000000000000286 FS: 00007f207dc648c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000380 CR3: 000000023435d000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 init_special_inode: bogus i_mode (0) for inode loop3:1 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 init_special_inode: bogus i_mode (0) for inode loop0:1 MINIX-fs: mounting unchecked file system, running fsck is recommended ---------------- Code disassembly (best guess): 0: c1 e8 03 shr $0x3,%eax 3: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) 8: 0f 85 0c 02 00 00 jne 0x21a e: 49 8b 04 24 mov (%r12),%rax 12: 48 85 c0 test %rax,%rax 15: 74 65 je 0x7c 17: 48 89 c3 mov %rax,%rbx 1a: e8 5b 61 89 ff callq 0xff89617a 1f: 48 8d 7b f8 lea -0x8(%rbx),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 0f 85 db 01 00 00 jne 0x210 35: 4c 8b 63 f8 mov -0x8(%rbx),%r12 39: 4c 89 ff mov %r15,%rdi 3c: 4c 89 e6 mov %r12,%rsi 3f: e8 .byte 0xe8